Shares of Apple Inc. reversed earlier losses to rise 0.2% in midday trade Tuesday, putting them on track for a seventh-straight gain as they head toward another record high. The win streak would be the longest since the nine-session stretch through July 19, 2017. Apple's stock has run up 14.3% during its win streak, the best seven-day performance since it hiked up 14.5% in the seven days ending April 28, 2014. Helping give the stock a boost during its streak, has been Apple's better-than-expected earnings report last week and an endorsement from famed billionaire investor Warren Buffett, who said he bought another 75 million Apple shares during the first quarter. The stock, which was down as much as 0.8% at its intraday low before turning higher, has now climbed 19.6% over the past three months, while the technology-heavy Nasdaq 100 has rallied 8.0% and the Dow Jones Industrial Average has tacked on 2.1%.