well, definitely looks like a spike to me, with the elongated neck and maintaining the rounded tip as Steve suggested, i am betting all my money on a spike.
i am no so good with words so i just shot a few pics this morning, the first three is a pic of a start of new growth (here you can really see the pointed tip) and the latter two is spike (especially the fourth pic, the tip is rounded with a long narrow neck, characteristic of a spike) and the last pic is to show remnant of a spike with a pseudobulb like structure.
i included the last pic here because sometimes i find it hard to differentiate at early stage when these vigorous spike emerges, the have roots on their own and they are very fat at the base, mimicking a growth, but as they grow, the elongated neck with rounded tip is maintain, and eventually the spike forms.
in fact, in time all the answer will reveal, don't they?
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