You're fine. This thread is for discussing and analyzing things like that. I could be wrong too. What is concerning is that 347 applicants above 420 joined in 2 days.
Comprehensive Ranking System (CRS) score distribution of candidates in the Express Entry pool as of May 19, 2017
CRS Score Range Number of Candidates
601-1200 50
451-600 136
401-450 5,884
441-450 51
431-440 59
421-430 51
411-420 1,697
401-410 4,026
351-400 22,093
391-400 3,570
381-390 4,365
371-380 4,519
361-370 4,813
351-360 4,826
301-350 15,682
0-300 2,850
Total 46,695