Unlikely to be a coincidence. At the time there were many factors influencing price pump and drop.
the spark of the match was asics. but how big the flame of the 2013 ATH was as you said due to a few speculative factors that over priced it. which is why it corrected dow nonce the flame blew out
the biggest force behind the 2013 bubble was Mt Gox and their fake pump of the bitcoin price with the power that they had at the time thanks to them controlling near 80% of the total market volume.