Consumer enthusiasm for Black Friday shopping hits eight year peak and holiday gift purchases are expected to average $718, according to new findings from Accenture. In the company's annual holiday shopping survey, amid signs of increased optimism about their personal finances, one-quarter (25 percent) of U.S. consumers plans to spend more on holiday shopping this year compared to 20 percent in 2013.   The survey also found  that two-thirds of respondents (66 percent) said they are likely t...