Why Ciena, Lumentum and other optical stocks were among the market’s biggest losers on Monday

The sharp moves could partly be a reaction to recent cautious commentary on AI spending.

MarketWatch Oct 12, 2026 11:46 PM

How major US stock indexes fared Monday 10/12/2026

Stocks kicked off a busy week with mixed trading on Wall Street that kept the market hovering around its all-time high set last week. The Dow Jones Industrial Average rose 0.

Yahoo S&P Oct 12, 2026 11:28 PM

Oil rises as Saudi Arabia vows resonse to attacks

Oil prices rose Monday as Yemen's Iran-backed Houthi movement launched additional strikes on Saudi Arabia, adding to worries about tight global supplies heading into the northern h…

Yahoo S&P Oct 12, 2026 11:26 PM

Navitas shares surge 5% on Nvidia AI infrastructure partnership

Investing Stocks Oct 12, 2026 11:24 PM

FormFactor stock rises on $300M Teradyne investment deal

Investing Stocks Oct 12, 2026 11:18 PM

Syndax Pharmaceuticals stock tumbles on failed IPF trial

Investing Stocks Oct 12, 2026 11:06 PM

Intel oversold at 27 RSI, balancing on Fibonacci support: Live

Investing Stocks Oct 12, 2026 10:17 PM

Trump’s ‘energy ceasefire’ collides with real-world problems of dwindling fuel supplies

Oil markets were struggling on Monday to gauge how President Donald Trump’s new declaration of an “energy ceasefire” between Russia and Ukraine might help mitigate a deepening glob…

MarketWatch Oct 12, 2026 9:36 PM

Update: US Equity Indexes Mixed as Technology Weighs, Crude Oil Jumps Amid Strikes on Ukraine's Energy Assets

(Updates with index/price moves and geopolitical news from the first paragraph.) US equity indexe

Yahoo S&P Oct 12, 2026 9:26 PM

Bumble stock surges on report of $1B buyout talks

Investing Stocks Oct 12, 2026 9:18 PM

The bull market turned 4 years old on Monday. Investors say reaching a fifth birthday could be challenging

The S&P 500 has climbed almost 120% since its closing low on Oct. 12, 2022.

CNBC Top News Oct 12, 2026 9:18 PM

Wall Street Is Trading Near Record Highs. The Richest 1% Own More Than Half Of America's Stock Wealth.

As major U.S. banks prepare to report quarterly earnings, fresh attention is falling on who owns the financial assets benefiting from Wall Street's rally.

Yahoo S&P Oct 12, 2026 9:06 PM

Crowdstrike and Facebook among market cap stock movers on Monday

Investing Stocks Oct 12, 2026 9:06 PM

Top energy stocks: Permian Resources leads on momentum and estimate revisions

Investing Stocks Oct 12, 2026 7:55 PM

Buy these stocks as plays on Google’s big spending, analyst says

Google Cloud is growing fast, but several chip makers and networking providers could be better ways to capitalize on that trend, according to Melius Research.

MarketWatch Oct 12, 2026 7:31 PM

Dynatrace gains on raised RBC target and federal cloud security milestone

Investing Stocks Oct 12, 2026 7:21 PM

LVMH edges past Q3 revenue estimates as fashion sales slip on China weakness

Investing Stocks Oct 12, 2026 7:09 PM

Trump defends Russia diesel deal after bipartisan pushback: 'I made the right choice'

Ukraine President Volodymyr Zelenskyy said that the U.S. easing sanctions on Moscow "plays into Russia's hands."

CNBC Top News Oct 12, 2026 6:55 PM

Delta delays debut of Saudi Arabia service until March after Riyadh airport attacks

Delta planned to begin the route on Oct. 23, in what would have marked the first nonstop commercial flight between the U.S. and Saudi Arabia.

CNBC Top News Oct 12, 2026 6:48 PM

X Funds CEO on AI Growth, Tech Exposure and Income Strategies

In this NYSE Live interview, David Nicholas, CEO of X Funds, discusses the launch of the X Funds Technology Income ETF (VGTX) and explains the firm's approach to combining technolo…

Yahoo S&P Oct 12, 2026 6:22 PM

Chip Stock Skid Stretches On

Chip stocks are taking a beating as of late, and a blowout earnings season may not be enough to boost them.

Yahoo S&P Oct 12, 2026 6:14 PM

Citigroup (C): Rebounding Return on Tangible Common Equity Anchors Long-Term Thesis

Patient Capital Management, based in Baltimore, released its third-quarter 2026 investor letter for the “Patient Opportunity Equity Strategy”. The letter can be downloaded here. Th…

Yahoo S&P Oct 12, 2026 5:52 PM

SanDisk, Micron among market cap stock movers on Monday

Investing Stocks Oct 12, 2026 5:35 PM

3 Energy Stocks with Questionable Fundamentals

Energy businesses quietly power the physical things we depend on, from cars and homes to e-commerce infrastructure. But they are at the whim of volatile macroeconomic factors that …

Yahoo S&P Oct 12, 2026 5:23 PM

Snowflake (SNOW) is Capitalizing on AI as a Demand Engine for Enterprise Data Workloads

Baillie Gifford & Co, an independent investment management firm, released its third-quarter 2026 investor letter for “US Equity Growth Strategy”. The letter can be downloaded here.…

Yahoo S&P Oct 12, 2026 4:50 PM