XLC Isn't Breaking Down Anymore?

XLC is down almost three and a half percent in the last month, but it is positive on a week or week basis. On 17th, there's the GICS changes that will affect S&P 500. The weighted job XLK is going to come down from 25.7% to 20.5 because they're moving tickers like Visa, MasterCard from technology to financials.