The book-to-bill ratio, which is a measure of orders received versus product billed, was positive for the first four months of the year, a sign that equipment sales are up as foundries prepare for manufacturing at advanced nodes and for the IoT.
The three-month moving average for bookings was $1.57 billion in April for North America alone, which is up 9% year over year from $1.44 billion. Th...
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