The S&P 500 was up 0.7% to 4,232.88 in midday trading Friday.
The Dow Jones Industrial Average increased 0.5% to 34,710.58, while the Nasdaq rose 1.2% to 13,791.3.
Crude oil was up 0.5% to $65.
Gold rose 0.9% to $1,833.20.
The yield on a 10-year Treasury increased 0.4% to 1.57%.
Viant Technology Inc. (Nasdaq: DSP) rose 8% to $32.99. The Irvine ad tech company, with a market cap of $1.9 billion, was trading on volume lower than its daily average. It’s down about 25% since opening at $44 when it began trading in February.
El Pollo Loco Holdings Inc. (Nasdaq: LOCO) was up 4.1% to $17.72. The Costa Mesa restaurant operator, with a $646 million market cap, on Thursday reported growth in first quarter total revenue and net income.