Wall St higher as earnings boost confidence

Shortly after trading began, the tech-heavy Nasdaq composite added to its gains from last week and touched a record for the third straight day as investors shift their focus to earnings from concerns surrounding Greece and China. On Friday, strong earnings from Google pushed the tech-heavy Nasdaq to a record close, which gained 4.3 percent for the week, its largest weekly gain since October while the S&P 500 stopped just short of its record high. Tech earnings will continue to be in focus th