Market Overview - Major U.S. indexes closed lower, with the Dow Jones Industrial Average down 0.2% to 48,367.06, S&P 500 down 0.1% to 6,896.24, and Nasdaq down 0.2% to 23,419.08 [1] Nio Inc. (NYSE:NIO) - Nio's stock increased by 3.00% to close at $5.50, with an intraday high of $5.79 and a low of $5.50; the 52-week range is $3.02 to $8.02 [2] - The rise is attributed to confirmation from China's National Development and Reform Commission that vehicle trade-in subsidies will continue through 2026, indicating ongoing government support for auto replacement demand [2] Profusa Inc. (NASDAQ:PFSA) - Profusa's shares surged 78.33% to $0.12, with an intraday high of $0.17 and a low of $0.11; the 52-week range is $0.065 to $2.40 [3] - In after-hours trading, the stock fell 14.12% to $0.10 [3] - The company announced a restructuring of its senior secured convertible notes, raising the conversion floor price from $0.10 to $0.35 to reduce potential shareholder dilution and strengthen its balance sheet [4] - Mandatory cash and equity amortization payments scheduled to begin in early 2026 were eliminated, easing near-term cash flow pressure [4] - Management framed the changes as a de-risking move to limit equity issuance at distressed prices while improving financial flexibility; however, Profusa remains a high-risk micro-cap company facing Nasdaq non-compliance and ongoing operational challenges [5] Nike Inc. (NYSE:NKE) - Nike's stock slightly dipped by 0.03% to $61.19, with a high of $61.30 and a low of $60.64; the 52-week range is $52.28 to $82.44 [6] - The stock rose 1.5% to $62.13 in extended trading following Apple Inc.'s CEO Tim Cook's purchase of $3 million worth of Nike shares, increasing his total stake to 105,480 shares valued at $6.04 million [6] FTAI Aviation Ltd (NASDAQ:FTAI) - FTAI Aviation's stock jumped 14.30% to $197.54, with an intraday high of $199.88 and a low of $176.68; the 52-week high is $199.88 and the low is $75.10 [7] - The rise follows the announcement of FTAI Power, a new business converting aircraft engines into power turbines for AI-driven power shortages, expected to begin production in 2026 [7] Under Armour Inc. (NYSE:UAA) - Under Armour's stock rose 7.64% to $5.14, with a high of $5.20 and a low of $4.91; the 52-week range is $4.13 to $8.72 [8] - The company's Class C stock spiked 8.59% to $4.93 [8] - The increase followed a large insider purchase by Fairfax Financial Holdings, which acquired 15.68 million shares, significantly boosting its stake in both Class A and Class C shares [9] - Under Armour reported second-quarter adjusted EPS of 4 cents, beating expectations, with a gross margin of 47.3%, down year over year but ahead of consensus [9] - The company guided fiscal 2026 revenue down 4% to 5% and adjusted EPS to 3 to 5 cents, citing soft demand and tariff pressures; it expanded its fiscal 2025 restructuring plan, adding $95 million in charges related to separating the Curry Brand, while lifting its fiscal 2026 adjusted operating income outlook to $95–$110 million [10] - Fairfax's increased stake signals confidence in Under Armour's restructuring and turnaround strategy for long-term gains [11]