all 500 stocks in the s and p 500 in the year 2007

First Solar (FSLR) had the best year in 2007 by a US stock in the S&P 500 (GSPC) in 2007, returning 785.4%.

ASSET YEAR % RETURN
Booking (BKNG)
2007
161.16%
Intuitive Surgical (ISRG)
2007
232.85%
CF Industries (CF)
2007
325.81%
Mosaic (MOS)
2007
336.56%
First Solar (FSLR)
2007
785.45%