What’s Hot

This week high-tech producers saw stocks heat up like a Texas heat wave.

Texas Instruments moved up $12 on Tuesday to finish at $109 on the New York Stock Exchange. Friday it closed at $113.63, up $17.38 from last week’s close of $96.25. The company posted second-quarter results higher than analysts expected. … Another high-tech company, Intel, saw its stock jump $7.47 on Tuesday to $88 a share on the NASDAQ. Friday it closed at $86.44 a share. On Tuesday the chip maker reported a 58 percent improvement of its second-quarter profit. The company had warned in May the results were weaker than those in the first quarter.

What’s Not

Meanwhile some hospital-related stocks seemed to fall ill this week. Stock in Nashville, Tenn.-based Columbia/HCA dropped $4.75 a share to $34.19 on the Big Board as FBI agents searched some of the chain’s hospital’s in six states. In March, government agents seized documents from its El Paso, Texas, hospital and looked into how the company refers Medicare patients for treatment. On Friday the stock closed at $31.88, down $7.13 from last Friday’s close.