July 15 - The Nasdaq ended lower on Thursday, pulled down by Apple, Amazon and other Big Tech companies as a fall in weekly jobless claims data fed investor concerns about a recent inflation spike.Amazon, Apple, Tesla and $Facebook$all fell. Nvidia tumbled around 4%.The S&P 500 technology sector index ended a four-day winning streak. Earlier this week, investors' favor for heavyweight growth stocks pushed the S&P 500 and the Nasdaq to record highs.The S&P 500 energy sector index fell more than