The debut of Shaw—sold for as little as $1.99 a bottle at Trader Joe’s and known as Two Buck Chuck—spawned a reverse snobbery: People boasted of finding a drinkable plonk for a pittance.

NAPA, CALIF. — Round and round they go, hundreds of bottles of Two Buck Chuck rattling and clinking their way toward a big machine that deftly fills, corks and seals each one in a rhythmic dance ...

We limited ourselves to two bottles of wine you can buy for $3.49, Aldi's Winking Owl brand and Trader Joe's Charles Shaw (aka four-buck Chuck — inflation comes for us all). We only tried the ...