Actress Sydney Sweeney helped bring American Eagle shares into the latest round of meme stock mania on Thursday. The "Euphoria" and "Anybody But You" star will headline a fall campaign for the retailer, American Eagle announced Wednesday. Shares of the company surged nearly 18% in Thursday premarket trading.

Southwest stock dropped after it reported adjusted earnings of 43 cents a share on $7.2 billion in revenue, below Wall Street’s expectations.

The market saw a fresh meme stock frenzy this week. While high exuberance can be a contrarian sell signal, sources say the market is still in good shape.

BigBear.ai Holdings, Inc.’s growth in AI defense and international expansion is promising, but profitability is uncertain. Click for more on BBAI ahead of earnings.

The meme stock rally is back and gathering steam. Shares of two other struggling companies—Krispy Kreme (DNUT) and action camera company GoPro (GPRO)—are extending their recent surge and joining those of online home buying website Opendoor (OPEN) and home goods retailer Kohl's Corp.

Shares in global carmakers surged after a U.S. trade agreement with Japan sparked optimism for the auto industry. Japanese auto stocks were particularly buoyant, with Toyota closing up 14%, its bigges

The stock market has been making fresh records, but there are risks building, including AI disappointment and a potentially weaker job market, HSBC said.

Under the surface of the US stock market’s march to record highs this month, there are signs the rally is running out of gas.Most Read from BloombergWhy the Federal Reserve’s Building Renovation Costs $2.