Returns current US equity prices for up to 5 tickers in one call — STRC, AMD, MSTR, SLV, USO, or any NYSE/NASDAQ symbol. Each call returns price, change %, volume, day range, and 52-week range per ticker. Sourced from Yahoo Finance public data, no API key. A single $0.018 call replaces 3-5 separate blockrun.ai queries that total $0.066–$0.220.