Tesla, Arista Networks among market cap stock movers on Monday

Tesla (TSLA) was among the biggest mega-cap gainers on Monday, rising 5.4%-5.6% and helping highlight a broad risk-on tone across equities. Arista Networks (ANET) also stood out with a 7.0%-7.3% jump, while several other chip-related names and growth stocks posted solid gains. The article is a market-movers roundup rather than a company-specific catalyst story, so the main takeaway is that Tesla was trading strongly alongside other high-momentum tech and AI-linked stocks. The broader market backdrop showed strength in U.S. equities, with the Nasdaq up about 1.08% and the S&P 500 up about 0.73% in the same session, reinforcing the positive sentiment for large-cap growth names.