Shares of leading diagnostics platform and cancer-detecting genomic test provider Veracyte (VCYT 1.04%) are up 23% over the last week as of market close Thursday, after the company reported excellent first-quarter earnings earlier in the week. Veracyte's sales grew by 21%, and its earnings per share quadrupled, as its net income margin improved from 6% to 21% year over year. Both of these figures soared past Wall Street's estimates. Management guided for sales growth between 13% and 14% in 2026, with margin ...