Today's biggest winners and losers in the stock market, a look at the notable movers:
On this episode of Stock Movers:

- Thousands of layoffs at Seattle-area tech companies have started to weigh on the housing market and on some of the country’s biggest homebuilders. DR Horton (DHI) expects to sell fewer homes this year than previously forecast, with the company's CEO citing "weakness out in the Northwest" and "headwinds to demand" in the Seattle area. DR Horton shares fell as much as 1.9% Tuesday after the company said it expects to sell fewer homes this year than previously forecast.

- Danaher (DHR) shares fell despite reporting profit growth in its first half, with net earnings of $1.90 billion, up 26% from a year earlier. Sales advanced to USD12.22 billion and diluted earnings per share rose to 2.68, with the company raising its full-year adjusted diluted EPS target to a range of 8.45 to 8.60.

- General Motors (GM) shares rise 3.5% after the automaker reported second-quarter profit that topped analysts’ estimates and boosted 2026 guidance. The Detroit automaker said Tuesday it now expects its earnings before interest and taxes of as much as $16 billion this year. The upgraded projections came after GM said it made $3.57 a share, exceeding Wall Street analysts’ consensus forecast of $3.19, after buying back more shares.