Competition among Chinese food-delivery services was ratcheted up over the weekend as platforms engaged in a renewed round of offers and vouchers for users.

Sushi restaurant chain Kura Sushi (NASDAQ:KRUS) will be announcing earnings results this Tuesday afternoon. Here’s what investors should know.

Semiconductor maker Penguin Solutions (NASDAQ:PENG) will be reporting earnings this Tuesday afternoon. Here’s what to look for.

SEOUL (Reuters) -Samsung Electronics is expected to forecast a 39% plunge in second-quarter operating profit on Tuesday, weighed down by delays in supplying advanced memory chips to artificial intelligence chip leader Nvidia. The world’s biggest maker of memory chips is projected to report an April-June operating profit of 6.3 trillion won ($4.62 billion), its lowest income in six quarters, according to LSEG SmartEStimate. The prolonged weakness in its financial performance has deepened investor concerns over the South Korean tech giant's ability to catch up with smaller rivals in developing high-bandwidth memory (HBM) chips used in artificial intelligence data centres.

Ricoh today announced its inclusion in the TIME World's Most Sustainable Companies of 2025. Out of an expanded pool of 5,700 companies, Ricoh ranked 148th, improving from 151st out of 5,000 in 2024. This recognition underscores Ricoh's global leadership in transparency and stewardship and its ongoing commitment to achieving a sustainable society through comprehensive environmental, social, and governance (ESG) initiatives.

All three major U.S. indexes ended higher last week, notching three record closing highs despite an abbreviated trading week.

From cyclicals to small caps, more stocks are joining the charge that has sent the S 500 and the Nasdaq Composite to all-time highs.

This week will likely bring a flurry of tariff negotiations, while economic data will include the outlook from small businesses and the Fed’s June minutes. In stocks, Conagra, Delta, and Levi Strauss will report earnings.

Berkshire Hathaway stock has badly lagged the since the company’s annual meeting on May 3, but there’s also reason to believe the period of underperformance is over. Berkshire Hathaway’s Class A shares ended Friday at $727,455, up 1% on the session. Berkshire is up just under 7% so far this year, against 7.5% for the index.

With President Trump's budget now law, the focus shifts back to tariffs this week. Tesla rival Uber leads five stocks in buy zones.