After an eventful July series, the beginning of August series witnessed unwinding of positions and profit booking across sectors. Bulls and bears appear now to be at daggers drawn, so the investors are advised to remain cautious as markets tend to remain volatile at record levels, says Aamar Deo Singh, Head Advisory, Angel One. Nifty has been on a roll in the July series, hitting record highs on the back of positive global macros, investor optimism, declining inflationary concerns and going forward, a likelihood of pause in interest rate hikes…