U.S. stocks opened higher, with the Dow Jones Industrial Average up 0.58%, the S&P 500 up 0.79%, and the Nasdaq Composite up 0.97%. IBM (IBM.N) opened up 0.91% after announcing the world's first chip technology smaller than 1 nanometer on Thursday. Micron Technology (MU.O) surged 17% after reporting strong earnings that far exceeded expectations. Apple (AAPL.O) opened down 2.27% after raising prices on several products, including Macs and iPads, due to a shortage of memory chips.