Since no other company is operating as a satellite-radio provider, Sirius XM usually commands exceptional subscription pricing power that allows it to outpace the prevailing rate of inflation. Given Sirius XM's highly predictable cost structure and historically cheap valuation (an estimated 13 times forward-year earnings), it makes for a clear-cut buy. Sirius XM Holdings The first Nasdaq 100 stock that's begging to be bought in April is one of the smallest components of the Nasdaq 100 by both share price and weighting: satellite-radio operator Sirius XM Holdings (NASDAQ: SIRI).