From yesterday's gains to today's pains

<p>The first day of summer was a sunny one on Wall Street, with US stocks posting their best gains in almost a month. However, things quickly turned stormy in today's early trading as investors fear global interest rate hikes will slow economies and weaken demand. Citigroup says the chance of a global recession is now close to 50%. Meanwhile, President Biden will speak today on his proposed gas tax holiday. Our extensive coverage begins with CNN's Rahel Solomon.</p><p>To learn more about how CNN protects listener privacy, visit cnn.com/privacy</p><p> </p><p>Learn more about...