* Q3 chip profit up 80% to highest in over three years * Latest HBM chips go to 'all' customers, suggesting Nvidia supply * Samsung shares rise as much as 5.3% (Adds more details) SEOUL, Oct 30 (Reuters) – Samsung Electronics reported its memory chip revenue hit a record high in the third quarter and said it will focus on mass producing its most advanced products next year, expecting continued strength in the chip market, driven by AI demand. The turnaround of the world's top memory chipmaker reflects the unexpected boom in conventional chip prices, with supply squeezed by the industry's shift to producing advanced AI chips, while demand is rising for data centres. At the same time, Samsung said on Thursday its current-generation HBM3E chips are being sold to "all related customers," sugge

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