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 the top 10 US stock gainers for the week ended Jan 31:

NEXTracker Inc Stock Surges on Earnings Beat and Raised Price Target

Nextracker stock climbed 24% on Wednesday after strong third-quarter results prompted analysts to raise their price target on shares of the solar tracker company.

Late Tuesday, Nextracker reported net income of 79 cents a share, topping Wall Street's call for 48 cents. Revenue for the December quarter dipped 4.4% to $679.4 million, but surpassed the FactSet consensus estimate of $646 million. Adjusted earnings of $1.03 a share also beat calls for 58 cents.

Guggenheim Securities analysts reiterated a Buy rating and lifted their price target to $62 from $50.

Atlassian Corporation PLC Stock Surges on Big Cloud Beat. AI Could Be Its Next Growth Driver

Atlassian stock leaped 15% Friday after the software maker offered yet another solid report card. Management continues to keep its forecasts conservative and analysts see "significant upside" for the numbers.

Late Thursday, Atlassian, the developer of the list-making tool Trello, reported adjusted earnings of 96 cents per share for its second fiscal quarter, ended Dec. 31. That compared with a consensus forecast of 75 cents among analysts tracked by FactSet. Revenue was $1.29 billion, while analysts expected $1.24 billion.

Cloud revenue, a key metric for software makers, grew 30% from a year earlier, well ahead of consensus expectations of 26%. The company is benefiting from cross-selling of additional products to its cloud users and higher average revenue per user, according to a letter to shareholders.

Royal Caribbean Cruises 4Q Net Up Sharply, Sees '25 Adj EPS Up; To Launch River Cruises

Royal Caribbean's fourth-quarter net income almost doubled and the company forecast further growth in 2025 operating earnings, as it unveiled plans to enter the popular niche of premium river cruises. Shares rose 12% on Tuesday.

The Miami-based cruise line logged earnings of $553 million, or $2.02 a share, up from $278 million, or $1.06 a share, a year earlier.

Backing out certain one-off items, Royal Caribbean posted adjusted earnings of $1.63 a share, eclipsing the average Wall Street target of $1.50 a share, according to FactSet.

IBM Stock Rises on Earnings Beat. CEO Says AI Is Helping

IBM rose 13% on Thursday after the company reported fourth-quarter earnings results that came in ahead of Wall Street expectations, citing strong demand for new AI projects.

For the December quarter, the technology company reported earnings of $3.92 a share versus Wall Street's consensus estimate of $3.78 a share, according to FactSet. Revenue came in at $17.6 billion, which was in line with analyst expectations.

Software Stocks Jump as Investors Bet That DeepSeek's AI Advance Would Benefit Software Companies

After tech investors licked their wounds Monday on the launch of the Chinese artificial intelligence (AI) chatbot DeepSeek, Tuesday, they saw an opportunity from the upheaval.

Software stocks broadly rallied as the stock market bet that costs to run AI infrastructure could come down and efficiencies could improve, benefiting the software companies that rely on that infrastructure and are launching their own AI platforms and looking to leverage the power of agentic AI.

That makes sense, as the AI infrastructure is being built to ultimately run software applications. GitLab, Inc. rose 12% on Tuesday.