February 19th, 8:00 PM, after the US stock market opened, several stocks experienced significant fluctuations.

Opendoor Technologies Inc saw its stock price surge by 11% in after-hours trading, reaching a peak of $15.30.
This increase was driven by the company's announcement of its fourth-quarter 2025 financial results, which exceeded market expectations. Opendoor reported higher-than-expected revenue and adjusted earnings per share, reflecting the success of its strategic transformation. The company also noted accelerated user growth and inventory turnover, boosting investor confidence.

Ardelyx experienced a slight decline of 0.11% in after-hours trading.
Ardelyx announced its financial results for the fourth quarter and full year 2025, reporting Q4 product sales of approximately $114.4 million and operating income of $5.1 million. However, the company posted a net loss of $407 thousand and an EPS of $0.00, missing the analyst estimate of $0.01. Despite the earnings miss, sales of $125.2 million beat estimates, reflecting mixed financial performance for the period.

Chemours saw a decrease of 0.13% in after-hours trading.
Chemours reported its fiscal year 2025 financial results with sales of approximately USD 5.8 billion, closely matching estimates. The adjusted net income was USD 143 million, slightly below expectations. In Q4 2025, Chemours posted net sales of USD 1.33 billion, a 2% decline year-over-year, and a net loss attributable to shareholders of USD 47 million, representing a 327% increase in loss compared to the previous year.

Vicor experienced a slight decline of 0.11% in after-hours trading.
Vicor Corporation has released its financial results for the fourth quarter and the full year ended December 31, 2025. The announcement provides insights into the company's performance over this period, highlighting key financial metrics and operational outcomes. Vicor reported robust Q4 financial results, including cash flow from operations of USD 15.7 million, net income of USD 46.5 million, and earnings per share (EPS) of $1.01. The EPS significantly exceeded analyst estimates of $0.33, representing a 206.06% beat and a 339.13% increase compared to the same quarter last year. These results highlight Vicor's strong financial performance in the quarter.

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