-- n.b. ndays IS NOT diffDays to from (weekends and holidays don't count)

top5sRuns :: Archive Top5s -> Map Symbol [Run]
top5sRuns top5s = undefined

-- there!

-- 2. Now, let's do more focused runs. If a stock is hi-lo-hi-lo that's one 
-- thing but if it's hi-hi-hi-hi, that's quite another thing. We're going to 
-- focus runs on leaders or losers, then: leaders or losers by category

top5sLeadersRuns, top5sLosersRuns :: Archive Top5s -> Map Symbol [Run]