Media conglomerates appeared to be bracing for another rough day today(Friday), with many of them falling to new 52-week lows in midday trading.Sony, which plummeted 14 percent on Thursday after slashing in half itsprofit and sales forecasts for the percent; News Corp was down 8.7 percent; GE, 6.6 percent; and CBS, 6.29percent. Likewise, Disney, Time Warner and Viacom were also down nearly 6percent.