Stocks Flat Ahead of Powell Speech, Tesla Falls on Musk Rate Worries, Netflix Jumps After Earnings Beat

US stock futures flat as Treasury yields climb and investors await speech by Fed Chair Powell.

Tesla shares fall on CEO Musk's worries about higher rates preventing EV purchases.

Netflix shares jump after beating estimates and announcing price hikes.

Focus also on earnings from American Airlines, AT&T, and Blackstone.

Economic data expected on jobless claims and existing home sales.