The market certainly seems to think so. Check out the immediate effect on stock prices for Illumina (ILMN) and array manufacturer Affymetrix (AFFX) following the Illumina announcement (both normalised to 0 at the start of the graph):
This comes in the context of long-term stagnation of AFFX stock, while Illumina has exploded over the last five years. Illumina made plenty of money from the array market, but it also established itself as a key player in the emergence of next-generation sequencing. Affymetrix was not as far-sighted.
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