Qualcomm Inc QCOM.O jumped 5% after the chipmaker forecast third-quarter revenue above analyst expectations. The Ukraine war, China's COVID lockdowns and surging inflation have weighed on the outlook for global economy, sparking volatility across markets in April. The tech-heavy Nasdaq .IXIC is set for its worst monthly performance in years as investors dumped high-growth stocks on fears that rising interest rates will threaten future earnings and Netflix Inc NFLX.O posted a shocking subscriber loss.