The S&P 500 jumped 0.6% in midday trading to 2,692.99.

The Dow Jones Industrial Average rose 0.7% to 24,814.59.

The Nasdaq soared 0.9% to 6,998.90.

The yield on a 10-year Treasury bond climbed 1.1% to 2.38%.

The price of gold rose 0.7% to $1,267.

RETAIL

Boot Barn Holdings Inc. (NYSE: BOOT) rose 7.6% to $16.15 and a $431 million market cap. Shares of the Irvine-based chain of boot stores have doubled since November.

Tilly’s Inc., (NYSE: TYLS) was up 4.2% to $15.53 and a $448 million market cap. Shares of the Irvine based retailer of youth fashion stores have almost doubled since September.

HEALTHCARE

Spectrum Pharmaceuticals Inc. (Nasdaq: SPPI) rose 1.1% to $19.24 and a $1.92 billion market cap. The company, which is based in Henderson, Nev., and operates manufacturing facilities in Orange County, said it “terminated” Rajesh C. Shrotriya as chief executive without cause and appointed Chief Operating Officer Joseph Turgeon as his replacement.