https://www.cnbc.com/2019/04/09/cramer-charts-show-tech-and-oil-stocks-could-see-a-double-digit-rally.html > Technology and oil stocks have rebounded after the fourth-quarter sell-off and investors should be conscious of how much farther they could run, CNBC's Jim Cramer said Tuesday. > He looked at chart patterns provided by commodity broker Carley Garner, co-founder of DeCarley Trading, to see where the stock prices could be headed. Technical analysis examines the price history to determine when to buy or trade a security.