Memory chip maker Micron (MU) is seen as a major winner in the AI investment boom, according to Bank of America (BAC). Indeed, the investment firm, led by five-star analyst Vivek Arya, recently reaffirmed its Buy rating on the stock and set a price target of $1,550, which is more than 54% above the current price. To understand why, it helps to look at how important memory has become in AI systems.