US stocks continued their recent bull run, with the top indices like the S&P 500 and Nasdaq 100 soaring to their record highs. This surge was triggered by the rising optimism of a US-Iran trade deal and the strong Dell (NASDAQ:DELL) earnings report. This article looks at the top 3 S&P 500 Index stocks to watch next week. Palo Alto Networks Palo Alto Networks (NASDAQ:PANW) stock price has embarked on a strong bull run and is hovering at its all-t…