The Dow gained about 123 points, and the Nasdaq gained about 39 points, led by gains in energy
The Dow fell more than 170 points, continuing a losing streak that is the worst since 2002.
The Dow gained about 75 points, as stocks closed higher for the first time in June
PC sales have dropped 1 percent compared with last year, while tablets are forecast to grow 213 percent. iCloud announcement and mobile devices have hastened demise of PC.
After gains early in the day, the session closed lower, with the Dow declining about 19 points
Semiconductors made Intel. But one analyst says the firm can move beyond semiconductors to become a leading commodity producer of solar panels, smart-grid products.
The Dow fell about 240 points in May, which ended a five-month stretch of gains. Stocks closed higher on Tuesday with news of a possible Greek bailout package.
The Dow rose about 45 points, and LinkedIn traded at more than $100 early in the afternoon but fell before closing
Windows 8 is set to ship in iterations for traditional desktops and for mobile devices.
Hewlett-Packard's lowered forecast pulled the Dow down, to close about 68 points lower than the previous session. The Nasdaq barely gained, rising 0.90 points just before closing.