Quarterly results demonstrated the strength of the market leader.Netflix (NFLX -1.65%) generated solid quarterly results, confirming the company's place at the top of the highly competitive streaming industry.Investors largely cheered the results, sending Netflix shares up as much as 5.6% in Friday morning trading, though the stock gave up those gains in the hours that followed.A standout in a crowded fieldNetflix earned $4.88 per share on revenue of $9.56 billion in the second quarter, topping Wall Street' ...