How about we take a little bit off the top? Vanguard unveiled its latest round of expense ratio cuts on Monday, estimating that the reductions across 53 passively managed funds will save customers a total of about $250 million this year. It’s becoming something like an annual event, as the company a year ago made a similar round of cuts, to the tune of about$350 million in investor savings among 87 funds. With the newest reductions, the average fund fee at the investor-owned financial giant is just 0.06% ...