 the index increased by 5.7%, which the performance isn't bad, still puts it on track if you annualized it for an 11% gain, which is pretty close to historical norms. However, 14 and a half percent of the entire index, nearly four and a half percent of that one stock, nearly 10% of the growth in the first half attributed to five tech stocks, it underscores the consequence of not being invested in top performing stocks.