A.M. Update

S&P futures are up +0.1%, while Nasdaq-100 futures are down -0.6%. Sandisk is down ~9% and Western Digital is down ~15% after both issued weak revenue forecasts, renewing concerns about the stretched memory-stock rally. Yields are up 2 to 4 basis points. The U.S. Dollar Index is up +0.1% WTI crude oil futures are up…