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* The Morning News Call newsletter: tmsnrt.rs/2fwPLTh U.S. stock index futures started the month on a strong note, with Dow futures surging 100 points on Tuesday, driven by a set of upbeat earnings reports and ahead of Apple's quarterly results.
At 8:19 ET, Dow e-minis were up 0.41 percent at 21,932. S&P 500 e-minis were up 0.19 percent at 2,472.75, while Nasdaq 100 e-minis were up 0.27 percent at 5,898.25. ANALYSIS-Seed funding slows in Silicon Valley The top three NYSE percentage gainers premarket: ** Tidewater Inc, up 115.1 pct at $2.00 ** Lumber Liquidators, up 19.3 pct at $29.49 ** Willbros Group, up 12.7 pct at $2.30 The top three NYSE percentage losers premarket: ** Nautilus, down 18.5 pct at $14.35 ** Sequans Communications, down 8.2 pct at $3.38 ** DSW A, down 7.2 pct at $16.75 The top three Nasdaq percentage gainers premarket: ** Proteostasis Therapeutics, up 62.0 pct at $4.60 ** CombiMatrix Corp, up 51.5 pct at $7.50 ** Bioblast Pharma, up 47.5 pct at $1.00 The top three Nasdaq percentage losers premarket: ** Broadwind Energy Inc, down 25.3 pct at $3.30 ** Geron Corp, down 15.1 pct at $2.25 ** AcelRx Pharmaceuticals, down 10.3 pct at $3.50 ** Under Armour Inc: down 2.1 pct at $19.60 premarket Under Armour posts smaller loss, to restructure operations BUZZ-Under Armour Inc: Slips after cutting sales forecast ** Shopify Inc: up 11.7 pct at $103.15 premarket Shopify's 2nd-qtr loss widens ** Sprint Corp: up 3.4 pct at $8.25 premarket Sprint swings to a profit as subscribers grow
** Lumber Liquidators Holdings Inc: up 19.3 pct at $29.49 premarket BRIEF-Lumber Liquidators reports second-quarter earnings
** Groupon Inc: up 3.7 pct at $3.90 premarket BRIEF-Groupon, GrubHub announce strategic partnership ** AcelRx Pharmaceuticals Inc: up 3.7 pct at $3.90 premarket AcelRx Pharmaceuticals reports successful outcome of zalviso phase 3 iap312 study on device functionality ** Yirendai Ltd: down 4.7 pct at $36.45 premarket BRIEF-Yirendai Q2 revenue rose 61 percent to RMB 1.183 billion ** Ferrari NV: up 2.9 pct at $108.26 premarket BRIEF-Ferrari wants ‘utility vehicle’ in plan to double profit - Bloomberg (Compiled by Anirban Paul in Bengaluru)