TSMC, Samsung and SK Hynix now make up nearly 30% of emerging markets

Taiwan Semiconductor Manufacturing Co. (NYSE: TSM), Samsung Electronics (KRX: 005930) and SK Hynix (KRX: 000660) now make up more than 30% of the MSCI Emerging Markets Index. Their combined share is close to the Magnificent Seven’s weight in the S&P 500. Technology now covers about 45% of the emerging-market gauge. These three chipmakers are worth...