This week's biggest % gainers/losers (July 29 - Aug 2, 2013)

The following are this week's top 20 percentage gainers and top 20 percentage losers, categorized by sectors (over $300 mln market cap and 100K average daily volume).

This week's top 20 % gainers

• Technology: ATVI (18.08 +19.89%), GIB (33.88 +13.65%), SYMC (26.52 +10.1%), CTRX (58.23 +9.19%), FB (38.05 +9.11%)
• Services: MW (30.86 +13.5%), LTD (58.4 +8.08%), MPEL (26.19 +8.05%)
• Industrial Goods: CNH (48.37 +9.28%), ROK (100.1 +8.52%), FAST (50.24 +8.37%)
• Healthcare: ALXN (117.28 +8.97%)
• Financial: PFG (44.37 +10.85%), MA (645.57 +7.91%)
• Consumer Goods: BUD (98.15 +10.14%), TSLA (138 +9.25%)
• Basic Materials: PXD (181.21 +12.53%), CHK (24.95 +10.45%), EMN (82.41 +9.05%), CF (193.34 +8.81%)

This week's top 20 % losers

• Technology: VIT (10.19 -5.91%), CCI (69.3 -5.52%)
• Services: HTZ (24.99 -7%)
• Healthcare: VRTX (79.44 -7.87%)
• Financial: BCS (17.46 -11.01%), V (184 -7.93%), HCP (42.81 -6.84%), HDB (33.35 -6.52%), VTR (64.95 -6.41%), ING (7.97 -5.68%), IBN (32 -5.49%)
• Consumer Goods: COH (53.33 -10.46%)
• Basic Materials: POT (28.91 -21.26%), MOS (40.98 -19.86%), JAG (6.64 -8.29%), TAT (1.25 -6.72%), RDS-B (66.75 -6.07%), TLM (11.19 -5.88%), HDY (3.22 -5.85%), REN (12.82 -5.8%)