Are buyers going to show confidence in the S&P 500?

CME_MINI:ES1!   S&P 500 E-mini Futures
We've seen buyers follow through this week. The concern is the smaller bodies which implies a loss of momentum and commitment. However, fundamentals are strong and the issue would be do we see profitaking as we go into the weekend or are buyers willing to hold onto these positions which would be indicated by a solid positive close.