Why Diabetes Stock Insulet Jumped 13.3% in January -- After Soaring 116% in 2019

Shares of Insulet (NASDAQ:PODD) surged 13.3% last month, according to data from S&P Global Market Intelligence. The S&P 500 was flat in January. The Boston-area healthcare company is the leader in tubeless insulin pump technology with its Omnipod pump.