Wells’ tech snafu, BB&T-SunTrust cont’d., JPM Coin: Top stories of the week

Flaws in testing may be real source of Wells Fargo’s tech failure; BB&T-SunTrust deal throws talent and deposits up for grabs, threatens banking’s middle tier; what JPMorgan Chase’s JPM Coin means for Ripple and Swift; and more from this week’s most-read stories.