MINYANVILLE ORIGINAL US stocks inched up in mid-Monday trading after indications that progress had been made in fiscal cliff talks between Democrats and Republicans in Washington.   Last Friday House Speaker John Boehner said he would be willing to increase taxes on Americans earning more than $1 million a year. Higher tax rates for top income earners has been a key demand of President Obama so Boehner’s concession shows that the two sides are one step closer to a consensus.   The Nasdaq Composite (INDEXNASDAQ:.IXIC) was up 0.96% to 2 999.78 points on robust trading volume of 899.55 million as of 12:13 ...