This week, which stocks lagged or dragged? Weekly Winners column keeps up with market trends, helping Tigers sort out the week's hottest sectors, stock winners and important news.
Below are top 10 S&P 500 stock gainers for the week ended Jan. 2:
Micron’s AI-Driven Surge: Assessing the Memory Chip Supercycle Thesis
The first trading week of 2026 concluded with a powerful rally in Micron Technology shares, reigniting investor enthusiasm around the company's central role in supplying memory for artificial intelligence.
This momentum was primarily fueled by a significant analyst upgrade from Sanford C. Bernstein, which highlighted Micron's pricing power and sold-out production. The critical investment question now centers on the fundamental strength underpinning this remarkable ascent.
Concrete financial results provide substantial backing for the optimistic outlook. The company's management has confirmed that its entire production capacity for High Bandwidth Memory (HBM) for calendar year 2026 is already committed to customers. This unprecedented revenue visibility is a cornerstone of the stock's recent re-rating.
Nvidia Takes $5 Billion Stake in Intel Under September Agreement
Nvidia has purchased Intel shares worth $5 billion, the American semiconductor firm said in a filing on Monday, carrying out a transaction announced in September.
The leading AI chip designer said in September it would pay $23.28 per share for Intel common stock, in a deal that is seen as a major financial lifeline for the chipmaker after years of missteps and capital intensive production capacity expansions drained its finances.
The world's most valuable firm has bought over 214.7 million Intel shares at the price set out in the September agreement, in a private placement, according to Monday's filing.
SLB stock jumps as 2026 opens — OPEC+ meeting and earnings in focus
SLB N.V. shares rose 4.74% to $40.20 on Friday, outpacing the broader market in the first U.S. session of 2026. The stock traded between $38.07 and $40.44 and last changed hands at $40.23 in after-hours trading. Analysts tracked by Stock Analysis rate SLB a “strong buy” with a $50.96 price target, and the company is scheduled to report results on Jan. 23. StockAnalysis
The move matters because SLB is a bellwether for oilfield activity and often sets the tone for the sector. Investors are trying to pin down whether producers will maintain 2026 budgets as oversupply worries hang over crude.
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